Base | Representation |
---|---|
bin | 1100100111111… |
… | …1000011011101 |
3 | 10200122002122222 |
4 | 3021333003131 |
5 | 102023333323 |
6 | 5130515125 |
7 | 1212026612 |
oct | 311770335 |
9 | 120562588 |
10 | 52949213 |
11 | 27985589 |
12 | 15895aa5 |
13 | ac7b8c5 |
14 | 7064509 |
15 | 49ad9c8 |
hex | 327f0dd |
52949213 has 4 divisors (see below), whose sum is σ = 54075840. Its totient is φ = 51822588.
The previous prime is 52949191. The next prime is 52949227. The reversal of 52949213 is 31294925.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 52949213 - 224 = 36171997 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52948213) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563243 + ... + 563336.
It is an arithmetic number, because the mean of its divisors is an integer number (13518960).
Almost surely, 252949213 is an apocalyptic number.
It is an amenable number.
52949213 is a deficient number, since it is larger than the sum of its proper divisors (1126627).
52949213 is a wasteful number, since it uses less digits than its factorization.
52949213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1126626.
The product of its digits is 19440, while the sum is 35.
The square root of 52949213 is about 7276.6209877937. The cubic root of 52949213 is about 375.5085556410.
The spelling of 52949213 in words is "fifty-two million, nine hundred forty-nine thousand, two hundred thirteen".
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